1. Welcome to Class! 9-4  Complete question Is It True  Turn in assigned vocabs

2. Agenda  Lecture notes on Cycles of Matter  Finish foodweb, ecological pyramid investigation, vocabs  Homefun:  In your journal, next available page, draw carbon cycle, and on the back of that page, write a page describe how carbon is recycle in the ecosystem and what consequences of disrupting this carbon cycle?  On another page, do the same thing for nitrogen cycle. Draw nitrogen cycle, and on the back of thage page, write another page describe how nitrogen is recycle in the ecosystem and what consequences of disrupting this nitrogen cycle?

3. Cycles of Matter

4. Learning Objectives  Describe how matter cycles through trophic levels in an ecosystem.  Describe how water cycles through the biosphere.  Explain why nutrients are important in living systems.  Describe how the availability of nutrients affects productivity and species survival.

5. Recycling in the Biosphere Energy Cycles of Matter

6. Processes That Cycle Matter

7. Water Cycle Precipitation Runoff Evaporation Transpiration

8. Nutrient Cycles

9. Carbon Cycle

10. Nitrogen Cycle Nitrogen Fixation Denitrification

11. Phosphorus Cycle

12. Nutrient Limitation

13. Nutrient Cycles Carbon Nitrogen Phosphorus

14. Drawing pictures of Carbon Cycle Nitrogen Cycle

15. Student Worksheet Answers